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相关概念视频

Group Design02:01

Group Design

The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between the two are due to...
Design Example01:23

Design Example

The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
Design Consideration01:22

Design Consideration

Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key aspect...
Design Example: Measuring Distance Between Two Points with Obstructions01:10

Design Example: Measuring Distance Between Two Points with Obstructions

When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...
Design Example: Marking Boundaries of a Site Using a Compass01:12

Design Example: Marking Boundaries of a Site Using a Compass

Marking site boundaries using a compass is a precise surveying technique that ensures the accuracy of boundary delineation. The process begins by using provided site details, including the bearings and lengths of each boundary line. The initial step involves calculating latitudes and departures for all sides of the site. This computation verifies that the traverse is free of errors, ensuring a closed and accurate boundary.The process starts at a known point, such as Point A, which is often...
Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device

Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point served as...

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Medical-grade Sterilizable Target for Fluid-immersed Fetoscope Optical Distortion Calibration
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信托对象:定制设计和评估

Pablo García-Ruiz1, Francisco J Romero-Ramirez1,2, Rafael Muñoz-Salinas1,2

  • 1Departamento de Informática y Análisis Numérico, Edificio Einstein, Campus de Rabanales, Universidad de Coŕdoba, 14071 Córdoba, Spain.

Sensors (Basel, Switzerland)
|December 23, 2023
PubMed
概括
此摘要是机器生成的。

这项研究引入了定制的可信度标记,以改善摄像头姿势的估计. 这些新型标记器提高了空间利用率和精度,在机器人和增强现实应用中表现优于传统的方形标记器.

关键词:
摄像机姿势估计的估计.这是一个信托标记.信托对象的信托对象是一个信托对象.

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Author Spotlight: An Efficient and Robust Software for Automated Fusion of Multiple Preclinical Imaging Modalities
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相关实验视频

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科学领域:

  • 计算机视觉 计算机视觉
  • 机器人技术 机器人技术 机器人技术
  • 几何测量 几何测量 几何测量

背景情况:

  • 摄像头姿势估计对于机器人,医学成像和增强现实至关重要.
  • 像ArUco和Apriltag这样的现有信托标记在单独使用时在准确性和视角方面存在局限性.
  • 定制信托对象通过将标记贴在3D结构上来提高可见性和精度.

研究的目的:

  • 开发新的定制型信托标记,以提高空间利用和可检测性.
  • 通过使用多视点成像,为这些自定义信托对象引入精确的配置估计技术.
  • 提供开源代码,教程和用于创建和校准这些对象的应用程序.

主要方法:

  • 设计定制的信托标记,以优化3D对象的面部覆盖.
  • 实施多视点成像技术,以精确估计对象配置.
  • 进行经验分析,以评估各种条件下的标记器性能 (噪音,模糊,尺度).

主要成果:

  • 与传统的方形标记器相比,定制形状的标记器显示出优越的空间利用率.
  • 拟议的方法实现了定制信托对象的精确配置估计.
  • 经验结果显示,定制标记器在姿势估计任务中比传统标记器显著提高了性能.

结论:

  • 定制形状的信托标记代表了基于信托标记的仓位估计的重大进步.
  • 开发的技术提高了标记物的检测能力,空间利用率和整体姿势估计的准确性.
  • 提供的资源促进了相关研究领域的更广泛采用和发展.